pthread_rwlock_trywrlock
#define HEIMDAL_RWLOCK_trywrlock(l) pthread_rwlock_trywrlock(l)
int pthread_rwlock_trywrlock(pthread_rwlock_t * __rwlock)
STUB_FUNC1(pthread_rwlock_trywrlock, PJT_RWLOCK_TRYWRLOCK, int, void *)
__weak_reference(_Tthr_rwlock_trywrlock, pthread_rwlock_trywrlock);